Generalize this by calling get in base class vs override all types

core/src/main/java/org/jruby/runtime/ivars/FieldVariableAccessor.java

@@ -92,21 +92,6 @@ public Object get(Object object) {
         }
     }
 
-    /**
-     * Retrieve the variable's value from the given object.
-     *
-     * @param object the object from which to retrieve this variable
-     * @return the variable's value or %undefined
-     */
-    public Object getOrUndefined(Object object) {
-        try {
-            Object value =  getter.invoke(object);
-            return value == null ? UndefinedValue.UNDEFINED : (IRubyObject) value;
-        } catch (Throwable t) {
-            Helpers.throwException(t);
-            return null;
-        }
-    }
     /**
      * Retrieve the variable's value from the given object.
      *

core/src/main/java/org/jruby/runtime/ivars/VariableAccessor.java

@@ -106,8 +106,7 @@ public Object get(Object object) {
      * Retrieve object or IR %undefined
      */
     public Object getOrUndefined(Object object) {
-        Object value = getVariable((RubyBasicObject) object, index);
-
+        Object value = get(object);
         return value == null ? UndefinedValue.UNDEFINED : value;
     }